The generator matrix

 1  0  1  1  1  1  1 X+3  1  1  1 2X  1  1  0  1  1  1 X+3 2X X+3  1 2X  1 X+6 2X+6  1  1  1
 0  1 2X+4  8 X+3 X+1 X+2  1 2X 2X+8  4  1 X+1 X+3  1  8 X+2 2X+4  1  1  1 2X+4  1 2X+7  1  1 2X+8 X+2 X+5
 0  0  3  0  3  6  6  6  0  0  6  0  6  3  0  3  6  3  6  6  3  0  0  0  3  3  6  3  3
 0  0  0  6  3  3  6  0  6  3  0  3  6  0  6  3  0  6  6  3  3  3  0  0  6  0  3  6  3

generates a code of length 29 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 53.

Homogenous weight enumerator: w(x)=1x^0+372x^53+344x^54+1092x^56+1160x^57+1926x^59+1116x^60+456x^62+24x^63+42x^65+26x^66+2x^75

The gray image is a code over GF(3) with n=261, k=8 and d=159.
This code was found by Heurico 1.16 in 35.8 seconds.